Answer:
Q1: The teeth grind down food molecules and the gums support the teeth and resist the friction of food passing over them. They provide a seal around the teeth.
Q2: Brush Teeth, Floss, Use Mouthwash
Q3: It will have a negative effect because not brushing your teeth can cause tooth decay and can also lead to gum disease.
Q4: People may ignore the steps as they may forget the consequences of not cleaning their teeth.